SKF FBSA 205/DF Angular contact thrust ball bearings for screw drives, cartridge units with a flanged housing, super-precision

SKF FBSA 205/DF Angular contact thrust ball bearings for screw drives, cartridge units with a flanged housing, super-precision
Angular contact thrust ball bearings for screw drives, cartridge units with a flanged housing, super-precision

Tolerances: tableBearing preloadDesign considerations: shafts, housings

d		25	mm
H		120	mm
A		52	mm
A1		49.24	mm
A2		32	mm
A3		15	mm
d1		34	mm
D1		88	mm
D2		80	mm
D3		36	mm

Calculation data

Basic dynamic load rating	C		22.4	kN
Basic static load rating	C0		52	kN
Fatigue load limit	Pu		1.93	kN
Attainable speed for preload class A			7200	r/min
Attainable speed for preload class B			3600	r/min
Preload class A			1580	kN
Preload class B			3160	kN
Frictional moment for preload class A			0.069	N·m
Frictional moment for preload class B			0.12	N·m
Static axial stiffnes for preload class A			725	N/µm
Static axial stiffnes for preload class B			925	N/µm

Mass

Mass cartridge unit

2.3

kg

Mounting information

Through hole diameter for attachment bolts	N		9.2	mm
Pitch diameter of attachement bolt holes	J		102	mm
Cartridge half diameter without flange	J1		44	mm

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